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[v6,0/4] Add Nvidia Tegra GPC-DMA driver

Message ID 1631887887-18967-1-git-send-email-akhilrajeev@nvidia.com (mailing list archive)
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Series Add Nvidia Tegra GPC-DMA driver | expand

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Akhil R Sept. 17, 2021, 2:11 p.m. UTC 
Add support for Nvida Tegra general purpose DMA driver for
Tegra186 and Tegra194 platform.

Changes in patch v6:
	* Removed stream-id from DT. Get stream_id in driver using iommu api
	* Corrections/indentation in nvidia,tegra186-gpc-dma.yaml and dtsi

v5 - https://lkml.org/lkml/2021/9/16/455
v4 - https://lkml.org/lkml/2021/9/8/513
v3 - https://lkml.org/lkml/2021/8/27/34
v2 - https://lkml.org/lkml/2020/8/6/90
v1 - https://lkml.org/lkml/2020/7/20/96

Akhil R (4):
  dt-bindings: dmaengine: Add doc for tegra gpcdma
  dmaengine: tegra: Add tegra gpcdma driver
  arm64: defconfig: tegra: Enable GPCDMA
  arm64: tegra: Add GPCDMA node for tegra186 and tegra194

 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml      |   98 ++
 arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi     |    4 +
 arch/arm64/boot/dts/nvidia/tegra186.dtsi           |   44 +
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi     |    4 +
 arch/arm64/boot/dts/nvidia/tegra194.dtsi           |   44 +
 arch/arm64/configs/defconfig                       |    1 +
 drivers/dma/Kconfig                                |   12 +
 drivers/dma/Makefile                               |    1 +
 drivers/dma/tegra186-gpc-dma.c                     | 1375 ++++++++++++++++++++
 9 files changed, 1583 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
 create mode 100644 drivers/dma/tegra186-gpc-dma.c